Home / 6,591.40-9,878.46-2,691.34

Finding the Fourth Proportional to 6,591.40, 9,878.46 and 2,691.34

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Solution

The fourth proportional to 6,591.40, 9,878.46 and 2,691.34 is: 4,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.40 : 9,878.46 = 2,691.34 : x
  2. Step 2: Convert to fraction form
    6,591.40/9,878.46 = 2,691.34/x
  3. Step 3: Cross multiply
    6,591.40x = 9,878.46 × 2,691.34
  4. Step 4: Simplify right side
    6,591.40x = 26,586,294.54
  5. Step 5: Solve for x
    x = 26,586,294.54/6,591.40
  6. Step 6: Final answer
    x = 4,033.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.